Home / 465,543.30-698,301.14-128,604.23

Finding the Fourth Proportional to 465,543.30, 698,301.14 and 128,604.23

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Solution

The fourth proportional to 465,543.30, 698,301.14 and 128,604.23 is: 192,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,543.30 : 698,301.14 = 128,604.23 : x
  2. Step 2: Convert to fraction form
    465,543.30/698,301.14 = 128,604.23/x
  3. Step 3: Cross multiply
    465,543.30x = 698,301.14 × 128,604.23
  4. Step 4: Simplify right side
    465,543.30x = 89,804,476,926.32
  5. Step 5: Solve for x
    x = 89,804,476,926.32/465,543.30
  6. Step 6: Final answer
    x = 192,902.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.